list1=[1,2,3,4,5]
for i in range(len(list1)):
    print(list1[i], end='')
    print()
    print("---------")
for i in list1:

    print(list1[i],end='')
    print()
    print("-------")
    list1.append(6)
    print(list1)

    list2=[8,9]
    list1.extend(list2)
    print(list2)
    print(list1)
    list1.insert(2,66)
    print(list1)
    list1.sort()#升序
    print(list1)
    list1.reverse()#反转
    print(list1)
    print(list1)

    #list1.sort(reverse=)
    list3=[14,22,3,4,5]
    list4=sorted(list3)
    print(list3)
    print(list4)
    num=list4.pop()
    print(num)
    print(list4)


    set1={1,2,3,4,5}
    for i in set1:
        print(i,end='')
        dict1={'name':'guozhenao','age':18}
        dict1['sex']='male'#add
        dict1['age']='19'#update

    for key, value in dict1.items():
        print(key,value)



